18875778

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 41674080

約数和(自身を除く): 22798302

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 313, 437, 529, 626, 874, 939, 1058, 1311, 1587, 1878, 2622, 3174, 5947, 7199, 10051, 11894, 14398, 17841, 20102, 21597, 30153, 35682, 43194, 60306, 136781, 165577, 273562, 331154, 410343, 496731, 820686, 993462, 3145963, 6291926, 9437889, 18875778]

約数ペア:

[(1, 18875778), (2, 9437889), (3, 6291926), (6, 3145963), (19, 993462), (23, 820686), (38, 496731), (46, 410343), (57, 331154), (69, 273562), (114, 165577), (138, 136781), (313, 60306), (437, 43194), (529, 35682), (626, 30153), (874, 21597), (939, 20102), (1058, 17841), (1311, 14398), (1587, 11894), (1878, 10051), (2622, 7199), (3174, 5947)]